Carrots are a staple in many people's grocery hauls, known for their long shelf life. Yet, it can be frustrating to purchase fresh veggies only to find them mouldy or slimy after a short time.

Indeed, “everything can go mouldy with the right conditions”, says Philippa, “even rice, flour, dried lentils or beans will go mouldy if they get damp”. The Food Standards Agency (FSA ...